/ Dictionary / Index A aniso-: Meaning and Definition of Find definitions for: aniso- Pronunciation: [key] a combining form meaning “unequal,” “uneven,” used in the formation of compound words: anisogamous. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. anisic aldehyde anisocarpic Related Content Daily Word Quiz: careening Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language